[mrtg] bug corrupting logfiles?

[Håkan Lindholm]

I often get this kind of errors from MRTG (version 2.9.10 on Solaris 8):

Rateup ERROR: /usr/local/mrtg-2/bin/rateup found cat5500.net.458's log file
was corrupt
          or not in sorted order:
time: 991123200.Rateup WARNING: /usr/local/mrtg-2/bin/rateup could not read
the primary log file for cat5500.net.458
Rateup ERROR: /usr/local/mrtg-2/bin/rateup found cat5500.net.458's log file
was corrupt
          or not in sorted order:
time: 991123200.Rateup WARNING: /usr/local/mrtg-2/bin/rateup The backup log
file for cat5500.net.458 was invalid as well
WARNING: rateup died from Signal 0
 with Exit Value 1 when doing router 'cat5500.net.458'
 Signal was 0, Returncode was 1


Until now, I have solved them by deleting the corrupt logfiles, but today I
took a deeper look into the problem. Look what I found:

When examining through the file (not exactly the same as mentioned above), I
bumped into this strange line:

993452700 150 36 151 37
993452400 152 35 238 53
993452 77 496 79
993451500 90 26 161 58
993451200 165 58 348 66


I think this command will be a correct syntax checker.

#egrep -n -v "^9[2-9][0-9][0-9][0-9][0-9][0-9]00 [0-9]+ [0-9]+ [0-9]+
[0-9]+$" cat5500.net.458.log

The output should be just the first three rows from the top of the file, but
now I get things like this:

1:993559039 103540428 33025905
2:993559039 75 89 75 89
3:993558243 0 0 0 0
729:993151800993153600 55 13 62 21

... and ...

1:993559041 1703910136 2262815225
2:993559041 2083019 2766277 2083019 2766277
3:993558223 0 0 0 0
246:993485400 76002 75884 83442 758964800 70862 71265 83480 71931
1245:9919872001600 0 0 0 0



Also, sometimes, it looks like this, but I think there is a fix for this
case in 2.9.11:

1:993558863 -1 -1
2:993558863 0 0 0 0
3:993558263 0 0 0 0
2537:


Thanks in advance for any input on this!

/H

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